Ethanol for industrial use
1 Scope
This standard specifies the product classification, requirements, test methods, inspection rules as well as marking, packaging, storage, transportation and safety of ethanol for industrial use.
This standard is applicable to the ethanol for industrial use.
Molecular formula: C2H5OH
Structural formula:
Relative molecular mass: 46.07 (according to international relative atomic mass in 2011)
2 Normative references
The following referenced documents are indispensable for the purpose of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 190 Packing symbol of dangerous goods
GB/T 191 Packaging—Pictorial marking for handling of goods
GB/T 394.2-2008 General methods of analysis for ethanol
GB/T 601 Chemical reagent—Preparations of reference titration solutions
GB/T 602 Chemical reagent—Preparations of standard solutions for impurity
GB/T 603 Chemical reagent—Preparations of reagent solutions for use in test methods
GB/T 3723 Sampling of chemical products for industrial use—Safety in sampling
GB/T 6283 Chemical products—Determination of water—Karl·Fischer method (general method)
GB/T 6324.1 Test method of organic chemical products—Part 1: Water miscibility test of liquid organic chemical products
GB/T 6324.2 Test method of organic chemical products—Part 2: Determination of dry residue after evaporation on a water bath for volatile organic liquids
GB/T 6678 General principles for sampling chemical products
GB/T 6680 General rules for sampling liquid chemical products
GB/T 6682 Water for analytical laboratory use—Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 9722 Chemical reagent—General rules for the gas chromatography
3 Product classification
The ethanol for industrial use is classified into 95.0% ethanol and 99.5% ethanol.
Foreword i
1 Scope
2 Normative references
3 Product classification
4 Requirements
5 Test methods
6 Inspection rules
7 Marking, packaging, transportation and storage
8 Safety
Annex A (Normative) Typical gas chromatograms and retention for determination of methanol, isopropanol, n-propanol, acetate and C4 + C5 alcohol